Finding the Fourth Proportional to 456,528.08, 684,593.75 and 216,710.70
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Solution
The fourth proportional to 456,528.08, 684,593.75 and 216,710.70 is: 324,971.89
Step by Step Solution
- Step 1: Write the proportion equation
456,528.08 : 684,593.75 = 216,710.70 : x - Step 2: Convert to fraction form
456,528.08/684,593.75 = 216,710.70/x - Step 3: Cross multiply
456,528.08x = 684,593.75 × 216,710.70 - Step 4: Simplify right side
456,528.08x = 148,358,789,694.57 - Step 5: Solve for x
x = 148,358,789,694.57/456,528.08 - Step 6: Final answer
x = 324,971.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.